package com.itheima.reggie.config;

import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import com.itheima.reggie.common.JacksonObjectMapper;
import jdk.jfr.MemoryAddress;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.text.ExtendedMessageFormat;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import org.springframework.web.servlet.view.json.MappingJackson2JsonView;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;

@Slf4j
@Configuration
@EnableSwagger2 // 开启 swagger
@EnableKnife4j  // 开启 knife4j
public class WebMvcConfig extends WebMvcConfigurationSupport {
    /*
    * 进行静态文件的映射，避免被拦截，找不到文件
    * */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        // hhhhh
        log.info("静态资源释放");
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
        // swagger 的静态资源释放
        registry.addResourceHandler("doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }


    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //输出调试日志
        log.info("类型转换器启动成功");

        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器，底层使用 Jackson 将 java 对象转换为 json
        // 里面得参数就是我们定义得 类型转换器 得工具类
        messageConverter.setObjectMapper(new JacksonObjectMapper());

        //将上面得消息转换器对象 转换到 MVC框架 得转换器集合当中
        //注意，把我们自己得转换器放到 集合 得首位，才可以进行优先采用
        converters.add(0,messageConverter);
    }

    @Bean
    public Docket createRestApi() {
        // 文档类型
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.itheima.reggie.controller"))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("瑞吉外卖")
                .version("1.0")
                .description("瑞吉外卖接口文档")
                .build();
    }
}
